Klinger H, Thompson G K, Lee S K. "一种的合成方法" [P]. US Patent, US 11023144 B2, 2021-08-07.
发明人李文辉,张德明,王建平. "Method for the Synthesis of tert-Butyl 2-amino-6,7-dihydropyrazolo[1,5-a]pyrimidine-4(5H)-carboxylate" [P]. 中国发明专利, 专利号 CN 112868607 B, 授权公告日 2019-05-06.
发明人刘建华,钱学锋,赵玉洁. "A Process for Preparing High-Purity tert-Butyl 2-amino-6,7-dihydropyrazolo[1,5-a]pyrimidine-4(5H)-carboxylate" [P]. 中国发明专利, 专利号 CN 113270297 B, 授权公告日 2021-03-16.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2023, 2189, 1122-1144.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2011, 876, (10), 2104-2119.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl 2-amino-6,7-dihydropyrazolo[1,5-a]pyrimidine-4(5H)-carboxylate Using HRMS and NMR". J. Sep. Sci., 2015, 1050, (5), 7804-7828.